Home / 906,122.70-1,359,378.45-275,100.30

Finding the Fourth Proportional to 906,122.70, 1,359,378.45 and 275,100.30

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Solution

The fourth proportional to 906,122.70, 1,359,378.45 and 275,100.30 is: 412,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,122.70 : 1,359,378.45 = 275,100.30 : x
  2. Step 2: Convert to fraction form
    906,122.70/1,359,378.45 = 275,100.30/x
  3. Step 3: Cross multiply
    906,122.70x = 1,359,378.45 × 275,100.30
  4. Step 4: Simplify right side
    906,122.70x = 373,965,419,408.54
  5. Step 5: Solve for x
    x = 373,965,419,408.54/906,122.70
  6. Step 6: Final answer
    x = 412,709.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.